It inherited the massive optimizations of Composer 2.0, offering up to 90% reduction in memory and CPU usage compared to Composer 1.x.
It is the last major version to support PHP 5.3.2 through 7.2.4. composer 2.2 lts download
You can download the specific version directly from the Official Composer Download Page . Download Composer Latest: v2.9.7 It inherited the massive optimizations of Composer 2
Depending on your platform and current setup, there are three main ways to acquire the 2.2 LTS version. 1. Direct Download (Manual Installation) composer 2.2 lts download